This issue occurs because the affected user has an expiration date set for his or her credentials. To amend this, follow the steps below:
 

  1. Log in to Citrix with a user with administrative privileges.
  2. Open the User Administration tool.
  3. Right click the affected user, click Properties.
  4. Click the Account tab.
  5. At the bottom of the window, under Account expires, select the Never radio button or fill in the date at which you want the account to expire.

If the account affected is the only account with administrative privileges:

Click Chat with Support and reference this article.